ICloudBlob.BeginExists Method
Definition
Important
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Overloads
| BeginExists(AsyncCallback, Object) |
Begins an asynchronous request to check existence of the blob. |
| BeginExists(BlobRequestOptions, OperationContext, AsyncCallback, Object) |
Begins an asynchronous request to check existence of the blob. |
BeginExists(AsyncCallback, Object)
Begins an asynchronous request to check existence of the blob.
public Microsoft.Azure.Storage.ICancellableAsyncResult BeginExists (AsyncCallback callback, object state);abstract member BeginExists : AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResultPublic Function BeginExists (callback As AsyncCallback, state As Object) As ICancellableAsyncResultParameters
- callback
- AsyncCallback
An AsyncCallback delegate that will receive notification when the asynchronous operation completes.
- state
- Object
A user-defined object that will be passed to the callback delegate.
Returns
An ICancellableAsyncResult that references the asynchronous operation.
Applies to
BeginExists(BlobRequestOptions, OperationContext, AsyncCallback, Object)
Begins an asynchronous request to check existence of the blob.
public Microsoft.Azure.Storage.ICancellableAsyncResult BeginExists (Microsoft.Azure.Storage.Blob.BlobRequestOptions options, Microsoft.Azure.Storage.OperationContext operationContext, AsyncCallback callback, object state);abstract member BeginExists : Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext * AsyncCallback * obj -> Microsoft.Azure.Storage.ICancellableAsyncResultPublic Function BeginExists (options As BlobRequestOptions, operationContext As OperationContext, callback As AsyncCallback, state As Object) As ICancellableAsyncResultParameters
- options
- BlobRequestOptions
A BlobRequestOptions object that specifies additional options for the request.
- operationContext
- OperationContext
An OperationContext object that represents the context for the current operation.
- callback
- AsyncCallback
An AsyncCallback delegate that will receive notification when the asynchronous operation completes.
- state
- Object
A user-defined object that will be passed to the callback delegate.
Returns
An ICancellableAsyncResult that references the asynchronous operation.
